Too much sugar- a small amount is used for energy and the rest changes to fat. It puts your immune system to sleep. The immune cells (warrior cells) cannot work when there is too much sugar and this allows the germs to grow faster and can keep one sick for a long time.

Mealie Meal - All that is left after processing the mealies is carbohydrates, which contributes to weight gain, obesity and tiredness. The mealies in packets on the supermarket shelves are now known as Refined Carbohydrates.

Allan Wohrnitz (BSc) is an expert nutritionist and anti-drugs campaigner. He developed the MAXUP health product range and has been an advocate of drug education and awareness for many years, promoting the harmful effects of drugs in schools.